NAME

	getcallerpc – fetch return PC of current function

SYNOPSIS

	#include <u.h> #include <libc.h> ulong getcallerpc(void *firstarg)

DESCRIPTION

	Getcallerpc is a portable way to discover the PC to which the current function will return. Firstarg should be a pointer to the first argument to the function in question.

EXAMPLE

	void printpc(ulong arg) { print("Called from %.8lux\n", getcallerpc(&arg)); } void main(int argc, char *argv[]) { printpc(0); printpc(0); printpc(0); }

SOURCE

	/usr/local/plan9/src/lib9/

BUGS

	The firstarg parameter should not be necessary.